Extension free Helix This is another option for making a helix with only native tools. Note I'm using the native facets of a circle to make it work, I've started with a 48seg circle. I used alt(win) to lift the face of the shape up (auto fold), up arrow works too. By starting with a solid you can use Outershell to continue making larger and larger solids. Then Radial arrays and mirroring can make very complex shapes. Note the block with the hole was a simple version for the benefit of the vid, y

Helix AI

The Patient’s Guide to a Quad Helix Expander

Helix Q&A: Kyra Zagorsky and Steven Weber on Immortality, Cult Life on the Island

Helix: Ronald D. Moore, Science Fiction of HELIX